Boechera constancei is a species of flowering plant in the mustard family known by the common name Constance's rockcress.

It produces one or more erect, hairless stems to maximum heights between 15 and 30 centimeters.

The caudex is surrounded by a dense basal rosette of stiff, blue-green, lance-shaped leaves up to 3 centimeters long.

The inflorescence produces 5 to 10 white mustardlike flowers with protruding stamens.

The fruit is a hanging green silique 4 or 5 centimeters long which contains round, winged seeds.